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Helpful ReplyHot!programming the 12C509 with PICKit 2

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pberki
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2009/10/16 12:24:09 (permalink)
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programming the 12C509 with PICKit 2

Is it possible to programming the 12C509 with PICKit 2 please ?
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Stefan Uhlemayr
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RE: programming the 12C509 with PICKit 2 2009/10/16 12:34:18 (permalink)
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ORIGINAL: pberki

Is it possible to programming the 12C509 with PICKit 2 please ?
No, the PICkit2 can't program OTP-parts, only flash-based PIC's. Have a look for the 12F509...

Hope this helps,
Stefan
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miceduan
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RE: programming the 12C509 with PICKit 2 2009/10/16 13:42:37 (permalink)
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Not sure it is limited by the hardware, if not, maybe someone can hack into the software, and this will add more chips to the PK2 support list. Even some of the aged 16F8x(s) are still not supportted after so many years of development.
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Stefan Uhlemayr
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RE: programming the 12C509 with PICKit 2 2009/10/16 14:58:51 (permalink)
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ORIGINAL: miceduan

Not sure it is limited by the hardware, if not, maybe someone can hack into the software, and this will add more chips to the PK2 support list. Even some of the aged 16F8x(s) are still not supportted after so many years of development.
I can't see any good reason for doing this effort. No-one would buy nowadays these expensive old parts (12C509 = 1,40 US$, if you order > 5000 pieces), they are used only for existing designs (where no further development is necessary). And even then, a redesign could make sense, as the 12F509 is available for 0,45 US$ already...

Greetings,
Stefan
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xiaofan
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RE: programming the 12C509 with PICKit 2 2009/10/16 18:46:48 (permalink) ☄ Helpfulby mcovington 2019/07/16 07:38:30
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ORIGINAL: miceduan
Not sure it is limited by the hardware, if not


It may be limited by hardware. I remember OTP chips needs more Vpp current.
http://ww1.microchip.com/downloads/en/DeviceDoc/30557g.pdf

Current from Vpp is specified to be 50mA (max). So you need to beef up the Vpp driver.

  USB_Links and libusb
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mcovington
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Re: RE: programming the 12C509 with PICKit 2 2019/07/16 07:39:02 (permalink)
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I think that is it.  The PICkits get their programming voltage (about +12V) from a charge pump with a small inductor; it doesn't look like it could supply more than a few mA.
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ric
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Re: RE: programming the 12C509 with PICKit 2 2019/07/16 13:42:36 (permalink) ☄ Helpfulby Jim Nickerson 2019/07/17 07:33:03
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Please don't drag up ten year old topics.
 

I also post at: PicForum
Links to useful PIC information: http://picforum.ric323.co...opic.php?f=59&t=15
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